First off, it found minimal changes to packaging and the positioning of the new Mac mini’s internals:

The overall packaging size was unchanged, however marketing specs have been updated and the inside organization has been optimized… Under the hood only minor differences are visible. Most notable are the fan design, Hitachi hard drive, and connections for the antennas. (2012 on left – 2011 on right)

As for Geekbench, the new stock Mac minis were able to record a score of 7433 running 10.8.1 out of the box. In comparison, Mac Mini Vault had a 2011 Mac mini running 10.8.2 clocked at 6583.Mac Mini Vault also noted it will begin testing alternative OS options for the new Mac mini server edition next week: